US Bridges

Roundhouse RD 628 over Peterson Creek

Fair

Madera County, California · 0.5 MI NE of SR 49 · Structure no. 41C0140

Built
1957
68 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
2 main spans
Daily traffic
462
2020 count
Owner
County
County Highway Agency

About this bridge

Roundhouse RD 628 over Peterson Creek is a steel stringer/multi-beam or girder carrying Roundhouse RD 628 over Peterson Creek in Madera County, California. It was built in 1957, so it is 68 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 462 vehicles a day, roughly 2% of them trucks, projected to reach 764 by 2041. The structure is 68 ft (20.7 m) long and 28 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesRoundhouse RD 628
CrossesPeterson Creek
Location0.5 MI NE of SR 49
RouteCounty Highway 0
CountyMadera County
StateCalifornia
Coordinates37.37365, -119.72297
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span32 ft (9.9 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic462 (2020)
Projected traffic764 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Roundhouse RD 628 over Peterson Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Roundhouse RD 628 over Peterson Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Roundhouse RD 628 over Peterson Creek carry?

About 462 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Roundhouse RD 628 over Peterson Creek?

The structure is 68 ft (20.7 m) long with a longest span of 32 ft (9.9 m) and a deck 28 ft wide.

Who owns Roundhouse RD 628 over Peterson Creek?

It is owned by the County Highway Agency.